From: John Heffner <[EMAIL PROTECTED]>
We can accidently spit out a huge burst of packets with TSO
when the FIN back is piggybacked onto the final packet.
[TCP]: Don't apply FIN exception to full TSO segments.
Signed-off-by: John Heffner <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
net/ipv4/tcp_output.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux-2.6.20.1.orig/net/ipv4/tcp_output.c
+++ linux-2.6.20.1/net/ipv4/tcp_output.c
@@ -965,7 +965,8 @@ static inline unsigned int tcp_cwnd_test
u32 in_flight, cwnd;
/* Don't be strict about the congestion window for the final FIN. */
- if (TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN)
+ if ((TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN) &&
+ tcp_skb_pcount(skb) == 1)
return 1;
in_flight = tcp_packets_in_flight(tp);
--
-
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